ORDER XLIV. VITACEJS. Grapevines. 



87irubs climbing by tendrils ; flowers small, regular, clustered ; 

 calyx minute, with scarcely any limb ; petals valvale, caducous ; 

 stamens opposite to the petals, ovary 2-celled, berry 4-seedecl. 



Fig. 436'. 

 VITIS. Grapevines. 



True VITIS. Petals cohering at top and falling oft' without expanding. (Fig. 436'.) (a! 



JCissus. Petals free, expanding before fallinir. Tendrils coiling NOB. 6, 7, 8 



AAIPELOPSIS. Petals free, expanding. Tendrils with an adhesive loot No. 9 



a Leaves beneath clothed with a whitish or rusty wool Nos. 1. 2, 3 



a Leaves glabrous except tnc veins, and green both sides Nos. 4. 5, 10 



1 V. labrus'ca. Fox (?., Cutaicbt, Isabella. Berries large, pale-green, or amber. 



2 V. asstiva'lis. Summer G., Clinton G. Berries small, deep-blue. Clusters slender. 



3 V. Caribaea. Caribean G. Berries medium size (X inch). Downy all over. Florida. 



4 V. cordifo'lia. Frost G. Clusters larsrc, loose ; berries small, blackish, in Nov. 



5 V. vulpi'na. Muscadine. Clusters small ; berries large. Leaves shining. S. 



6 V. indivi'sa. Leaves simple, angular or entire ; berry small (2"). Swamps. S. 



7 V. bipinna'ta. Leaves bipinnate, cut-serrate. Tendrils none, or few. Berries black. 



8 V. inci'sa. Leaves 3-foliatc, thick, lobed ; berry 1-gcetled. Florida to La. 



9 V. quinquifolia. Virginia Creepfr. Leaves digitate, with 5 leaflets. 

 10 V. vinife'ra. European Win?-t/rai>e. 

 Leaves not shining. Berries large, 

 variable in furr.i, size, and coior. 



ORDER XLV. POLYGALA- 

 CE.E. The Milkworts. 



Plants without stipules, bearing very 



irregular flowers ; 

 stamens 4-8, diadelphous; 

 anthers opening at the top, 1-celled ; 

 fruit a flattened, 2-celleu, 2-seeded 



capsule, free from the calyx. 



Fig. 4-3T. Polygala polygama: r, the radical 

 flowers; S. P. paucifolia; / the crest on the 

 lower petal; 9, the stamens in 2 sets, and the 

 style aeen beneath the lulled lower petal. 



Fiy. 44ft. The ovary and the style: 1, Seed of 

 P. sanguinea, with its 2-lobed caruncle; 2, seed 

 of P. Nuttallii. 



POLYG'ALA. Milkwort. 

 Sepals 5, persistent, 2 of them 

 wing-shaped and colored. 



